const path = require('path'); const regularJSOptions = { babelrc: false, presets: [['env'], 'stage-2'], plugins: ['transform-runtime'] }; const entry = { serviceWorker: ['./app/serviceWorker.js'] }; module.exports = { entry, output: { filename: '[name].js', path: path.resolve(__dirname, 'dist'), publicPath: '/' }, module: { rules: [ { loader: 'babel-loader', exclude: /node_modules/, options: regularJSOptions } ] } };